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Our paper on the role of eDNA in biofilm streamers formation led by Eleonora was recently published in PNAS. It describes how extracellular DNA (eDNA) is essential to the mechanical stability of the streamers and under what conditions these biofilm structures are formed. Furthermore, it shows how, by controlling eDNA, it is possible to control streamers formation, a potentially relevant finding in the environmental and medical settings. Congratulations to everyone involved.